Can Jim Caldwell get the Lions defense to live up to its potential?

Head coach of the Detroit Lions, Jim Caldwell, needs his defensive line to live up to its potential this season. Also, will Ndamukong Suh prove he's worthy of a new, high-paying contract?

http://www.wbir.com/video/3719796916001/39988096001/Can-Jim-Caldwell-get-the-Lions-defense-to-live-up-to-its-potentialhttp://videos.usatoday.net/Brightcove2/29906170001/2014/08/29906170001_3719757101001_Screen-Shot-2014-08-07-at-3-22-08-PM.jpg?pubId=29906170001Can Jim Caldwell get the Lions defense to live up to its potential?Head coach of the Detroit Lions, Jim Caldwell, needs his defensive line to live up to its potential this season. Also, will Ndamukong Suh prove he's worthy of a new, high-paying contract?FootballSMGVJim CaldwellnflsportsFantasy Footballdetroit lionsUSA Today Sportsvideo big boardNdamukong Suh00:50